#include <stdio.h>
int main()
{
char str[100] = {0};
char *p = str;
int i,j = 0;
char ch;
while((ch = getchar()) != '\n')
{
str[i] = ch;
i++;
}
for(i = 0;i < sizeof(str);i++)
{
if(p[i] != 0)
j++;
}
printf("%d\n",j);
return 0;
}

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